Hemorrhoids can be prevented by adjusting dietary structure, improving defecation habits and maintaining local anal hygiene. 1. Adjust the diet: in daily life, to maintain a good diet, eat more dietary fiber, try to avoid constipation and dry stools, avoid eating fried, spicy, high oil, high fat food intake, pay attention to keep the diet light, nutritional diversity and the habit of drinking more water. 2. Improve defecation habits: in daily life should be on time defecation, to maintain a smooth stool, try to avoid sitting or squatting for a long time, because long-term sitting or squatting posture will cause blood flow around the anus is impeded, more likely to make the patient produce hemorrhoids. 3. maintain anal local health: in daily life should ensure that the anal part of the health clean, every night before going to bed or after defecation, you can use 1:5000 potassium permanganate solution sitz bath, can effectively clean up the anal part of the dirt, to reduce the anus stimulation, at the same time, improve the blood circulation around the anus, to promote the absorption of hemorrhoids and reduce the formation of hemorrhoids. Once patients appear hemorrhoids, should be timely to the hospital for professional examination and treatment, to avoid aggravation of the condition.